Home / 40,538.56-55,958.54-31,902.34

Finding the Fourth Proportional to 40,538.56, 55,958.54 and 31,902.34

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Solution

The fourth proportional to 40,538.56, 55,958.54 and 31,902.34 is: 44,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538.56 : 55,958.54 = 31,902.34 : x
  2. Step 2: Convert to fraction form
    40,538.56/55,958.54 = 31,902.34/x
  3. Step 3: Cross multiply
    40,538.56x = 55,958.54 × 31,902.34
  4. Step 4: Simplify right side
    40,538.56x = 1,785,208,368.98
  5. Step 5: Solve for x
    x = 1,785,208,368.98/40,538.56
  6. Step 6: Final answer
    x = 44,037.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.